Friday, July 7, 2017

[MW:26660] ASME Sec.VIII Div.1 Appendix 4, 2015 Ed.

Dear Sirs.

I have a doubt about aligned rounded indications observed by Radiographic Examination.
Regarding to Fig.4-1 of ASME Sec.VIII Div.1 App. 4, in case of aligned rounded relevant indications are aggregated in a length greater than 12.t , may be possible to accept ?

Example:
- Thickness of base metal: 6 mm
- Sum of lengths of all aligned rounded indications: 5,4 mm
- Length of aggregate aligned rounded indications: 80 mm  (> 12.t)
Are they accepted ?

Thank you for you attention.

Ricardo Andreucci
NDT Consultant

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